aprantl added inline comments.
================
Comment at: clang/lib/CodeGen/CGDebugInfo.cpp:2369
+ ? CGM.getObjCRuntime().ComputeBitfieldBitOffset(CGM, ID, Field)
+ : 0;
} else {
----------------
JDevlieghere wrote:
> JDevlieghere wrote:
> > aprantl wrote:
> > > aprantl wrote:
> > > > It might help to attempt some git blame archeology.
> > > > Judging from the comment, it sounds like the debugger is supposed to
> > > > query the runtime for the *byte* offset and then add the bit offset
> > > > from DWARF? Could that make sense?
> > > If that is the case, we'd need to relax llvm-dwarfdump --verify to accept
> > > this and make sure LLDB does the right thing instead.
> > Ah I see, yeah that sounds reasonable and explains the comment which I
> > interpreted differently. Thanks!
> btw it was added in rL167503.
We should check whether emitting the offsets like this violates the DWARF spec.
If yes, it may be better to emit the static offsets like you are doing here and
then still have LLDB ignore everything but the bit-offsets from the dynamic
byte offset.
Repository:
rC Clang
https://reviews.llvm.org/D51990
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